How severe is CVE-2025-1293?

CVE-2025-1293 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability none.

Is CVE-2025-1293 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-1293?

CVE-2025-1293 affects Hashicorp Hermes. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-1293?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-1293 have an EU (EUVD) identifier?

Yes. CVE-2025-1293 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-4584.

When was CVE-2025-1293 published?

CVE-2025-1293 was published on 2025-02-20 and last updated on 2026-06-17.

CVE-2025-1293

CVE-2025-1293 is a high-severity vulnerability in Hashicorp Hermes with a CVSS 3.x base score of 8.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-1390.

Key facts

Severity: High (CVSS 3.x base score 8.2)
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-4584
Weakness: CWE-1390
Affected product: Hashicorp Hermes
Published: 2025-02-20
Last modified: 2026-06-17

Description

Hermes versions up to 0.4.0 improperly validated the JWT provided when using the AWS ALB authentication mode, potentially allowing for authentication bypass. This vulnerability, CVE-2025-1293, was fixed in Hermes 0.5.0.

Frequently asked questions

What is CVE-2025-1293?: Hermes versions up to 0.4.0 improperly validated the JWT provided when using the AWS ALB authentication mode, potentially allowing for authentication bypass. This vulnerability, CVE-2025-1293, was fixed in Hermes 0.5.0.
How severe is CVE-2025-1293?: CVE-2025-1293 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability none.
Is CVE-2025-1293 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-1293?: CVE-2025-1293 affects Hashicorp Hermes. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-1293?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-1293 have an EU (EUVD) identifier?: Yes. CVE-2025-1293 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-4584.
When was CVE-2025-1293 published?: CVE-2025-1293 was published on 2025-02-20 and last updated on 2026-06-17.

References

https://discuss.hashicorp.com/t/hcsec-2025-03-hashicorp-hermes-improperly-validates-aws-alb-jwts-which-may-lead-to-authentication-bypass/73371

Affected products (1)

cpe:2.3:a:hashicorp:hermes:*:*:*:*:*:*:*:*

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